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FSC Safety Manager Installation Guide
31
2.5
Cabling Installation,
Continued
Power supply wiring
ATTENTION
For information regarding the wiring of the FSC Safety
Manager card file power supply modules, refer to Subsection 2.7 —
System Power Connections
, in this section.
I/O module wiring
Field wiring is not connected directly to the I/O modules themselves.
Rather, as illustrated in Figure 2-3 and Figure 2-4, these connections are
made via Field Termination Assemblies (FTAs) available as either an:
•
FTA-T (to I/O field cables via terminals), or
•
FTA-E (to interface board via system cables).
The FTAs are electrically passive devices which simply pass incoming or
outgoing signals between the field and the I/O module.
Figure 2-3 illustrates a typical routing layout of the internal wiring
between I/O modules and FTA-T via system interconnection cables
(SICs).
Figure 2-3 – Typical routing layout of internal wiring between I/O modules and FTA-T via SICs
FTA connector
System I/O cable
I/O module
I/O module connector
Backplane
FTA-T
Terminal block
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